Afactory produces plate glass with a mean thickness of 4 mm and a standard deviation of 1.1 mm. a simple random sample of 100 sheets of glass is to be measured, and the mean thickness of the 100 sheets is to be computed. what is the probability that the average thickness of the 100 sheets is less than 3.83 mm? . round your answers to 5 decimal places.

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Let X the random variable that represent the thickness of a population, and for this case we know the distribution for X is given by:

Where and

And let represent the sample mean, the distribution for the sample mean is given by:

On this case  

2) Solution to the problem

We are interested on this probability

And the best way to solve this problem is using the normal standard distribution and the z score given by:

If we apply this formula to our probability we got this:

And in order to find this probability we can find tables for the normal standard distribution, excel or a calculator.  

And the excel formula to calculate it would be:

"=NORM.DIST(-1.545,0,1,TRUE)"

the answer is somewhere there guys it really . there im just not gonna answer

step-by-step explanation:

but i'm guessing ur first option tho

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.